"use client"

import { useSession } from "next-auth/react"
import { useEffect, useState } from "react"
import {
  Dialog,
  DialogTrigger,
  Modal,
  ModalOverlay,
  Popover,
} from "react-aria-components"
import { useIntl } from "react-intl"

import { Avatar } from "@scandic-hotels/design-system/Avatar"
import { Button } from "@scandic-hotels/design-system/Button"
import { Divider } from "@scandic-hotels/design-system/Divider"
import SkeletonShimmer from "@scandic-hotels/design-system/SkeletonShimmer"
import { Typography } from "@scandic-hotels/design-system/Typography"
import { trpc } from "@scandic-hotels/trpc/client"

import useLang from "@/hooks/useLang"

import { getInitials } from "../utils"

import styles from "./user-menu.module.css"

export function UserMenu({ isMobile = false }: { isMobile?: boolean }) {
  const intl = useIntl()
  const lang = useLang()
  const session = useSession()
  const [loginLink, setLoginLink] = useState(`/${lang}/login`)

  const {
    data: profileData,
    isLoading,
    isSuccess,
    isError,
  } = trpc.partner.sas.getEuroBonusProfile.useQuery(undefined, {
    enabled: session.status === "authenticated",
  })

  useEffect(() => {
    setLoginLink(`/${lang}/login?redirectTo=${window?.location.href}`)
  }, [lang, setLoginLink])

  const firstName = profileData?.firstName
  const lastName = profileData?.lastName

  return (
    <div className={styles.userMenu}>
      {(session.status === "loading" || isLoading) &&
        (isMobile ? (
          <SkeletonShimmer width={"4ch"} height={"4ch"} />
        ) : (
          <SkeletonShimmer width={"12ch"} height={"1ch"} />
        ))}
      {(session.status === "unauthenticated" || isError) && (
        <a href={loginLink} className={styles.loginLink}>
          <Avatar className={styles.avatar} />
          {isMobile ? null : (
            <Typography
              variant={
                isMobile
                  ? "Body/Paragraph/mdRegular"
                  : "Body/Supporting text (caption)/smRegular"
              }
            >
              <span>
                {intl.formatMessage({
                  id: "partnerSas.menu.login",
                  defaultMessage: "Log in",
                })}
              </span>
            </Typography>
          )}
        </a>
      )}
      {session.status === "authenticated" && isSuccess && profileData && (
        <div className={styles.loggedInMenu}>
          <DialogTrigger>
            <Button className={styles.userName} variant={"Text"}>
              <Avatar
                className={styles.avatar}
                initials={getInitials(
                  firstName ?? session.data?.user?.name ?? "",
                  lastName ?? session.data?.user?.name ?? ""
                )}
              />
              {isMobile ? null : (
                <Typography variant="Body/Supporting text (caption)/smBold">
                  <span>
                    {firstName ?? session.data?.user?.email}
                    {/* eslint-disable-next-line formatjs/no-literal-string-in-jsx */}
                    {` ${lastName}`}
                  </span>
                </Typography>
              )}
            </Button>
            {isMobile ? (
              <ModalOverlay isDismissable>
                <Modal className={styles.modal}>
                  <Dialog className={styles.dialog}>
                    {({ close }) => (
                      <>
                        <Button
                          variant={"Text"}
                          type="button"
                          className={styles.closeModalBtn}
                          aria-label={intl.formatMessage({
                            id: "header.closeMenu",
                            defaultMessage: "Close menu",
                          })}
                          onPress={close}
                        >
                          <span className={styles.bar} />
                        </Button>
                        <UserMenuContent
                          firstName={firstName}
                          lastName={lastName}
                          points={profileData.points.total}
                          isMobile={true}
                        />
                      </>
                    )}
                  </Dialog>
                </Modal>
              </ModalOverlay>
            ) : (
              <Popover className={styles.userDetailsPopover} offset={20}>
                <Dialog className={styles.userDetailsContainer}>
                  <UserMenuContent
                    firstName={firstName}
                    lastName={lastName}
                    points={profileData.points.total}
                  />
                </Dialog>
              </Popover>
            )}
          </DialogTrigger>
        </div>
      )}
    </div>
  )
}

function UserMenuContent({
  firstName,
  lastName,
  points,
  isMobile,
}: {
  firstName?: string
  lastName?: string
  points?: number
  isMobile?: boolean
}) {
  const intl = useIntl()
  const lang = useLang()

  return (
    <>
      <div>
        {isMobile && (
          <Typography variant={"Title/Subtitle/md"}>
            <h3>
              {intl.formatMessage(
                {
                  id: "partnerSas.mobileMenu.greeting",
                  defaultMessage: `Hi {fName} {lName}!`,
                },
                { fName: firstName, lName: lastName }
              )}
            </h3>
          </Typography>
        )}
        <p className={styles.pointsDetails}>
          <Typography variant="Title/Overline/sm">
            <span>
              {intl.formatMessage({
                id: "partnerSas.menu.ebPointsTitle",
                defaultMessage: "EB Points",
              })}
            </span>
          </Typography>
          <Typography variant="Title/Overline/sm">
            {/* eslint-disable-next-line formatjs/no-literal-string-in-jsx */}
            <span>{"·"}</span>
          </Typography>
          <Typography variant="Body/Paragraph/mdRegular">
            <span>
              {intl.formatMessage(
                {
                  id: "partnerSas.menu.ebPoints",
                  defaultMessage: "{points} points",
                },
                {
                  points: points,
                }
              )}
            </span>
          </Typography>
        </p>
      </div>
      <Divider className={styles.menuDivider} />
      <Typography variant={"Link/md"} className={styles.logoutLink}>
        {/* Link triggers rsc which doesn't reload complete page and shows logged in even after logout  */}
        <a href={`/${lang}/logout`}>
          {intl.formatMessage({
            id: "common.logOut",
            defaultMessage: "Log out",
          })}
        </a>
      </Typography>
    </>
  )
}